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ADC-20-4 Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 50Ω 5 to 1000 MHz
Surface Mount
Directional Coupler
ADC-20-4+
ADC-20-4
50Ω 5 to 1000 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Pin Connections
INPUT
1
OUTPUT
6
COUPLED
3
GROUND
2
50Ω TERM EXTERNAL
4
ISOLATE (DO NOT USE)
5
Outline Drawing
Features
• wideband, 5-1000 MHz
• low mainline loss, 0.5 dB typ.
• high directivity, 21 dB typ.
• aqueous washable
• protected by U.S Patents 6,133,525 & 6,140,887
Applications
• cable tv
• communications
CASE STYLE: CD542
PRICE:$6.95 ea. QTY (10-49)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
FREQ.
(MHz)
Directional Coupler Electrical Specifications
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
fL-fU
5-1000
Nom.
20.0±0.5
Flatness
±0.8
L
Typ. Max.
0.4 0.8
M
Typ. Max.
0.5 1.0
U
Typ. Max.
0.7 1.3
L
Typ. Min.
20 18
L= 5-50 MHz
M= 50-500 MHz U= 500-1000 MHz
1. Mainline loss includes theoretical power loss at coupled port.
M
Typ. Min.
21 17
U
Typ. Min.
21 15
L MU
Typ. Max. Max.
1.1 1.0 1.0
PCB Land Pattern
Frequency
(MHz)
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Out
Cpl
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions
(
inch
mm
)
A
B
C
D
E
F
G
.272 .310 .220 .100 .112 .055 .100
6.91 7.87 5.59 2.54 2.84 1.40 2.54
H
J
K
L
.030 .026 .065 .300
0.76 0.66 1.65 7.62
wt
grams
0.20
5.00
0.35
10.00
0.32
50.00
0.32
150.00
0.37
250.00
0.38
350.00
0.40
500.00
0.45
750.00
0.53
870.00
0.53
1000.00
0.68
1.0 at RF level of -10 dBm
0.8
0.6
ADC-20-4
MAINLINE LOSS
19.49
19.55
19.62
19.68
19.80
19.89
20.05
20.28
20.31
20.49
21.07
20.63
20.64
21.01
21.28
21.32
21.18
20.90
20.71
20.03
26.82
30.04
32.99
33.06
34.14
34.05
36.20
31.32
28.29
25.43
28.08
32.37
37.40
35.38
34.19
31.30
31.48
31.73
31.27
28.94
23.37
26.49
30.48
30.96
31.95
32.90
34.55
34.59
31.88
28.09
ADC-20-4
COUPLING & DIRECTIVITY
30 at RF level of -10 dBm
COUPLING
DIRECTIVITY
25
Demo Board MCL P/N: TB-05
Suggested PCB Layout (PL-095)
0.4
0.2
0.0
0
200
400
600
800
FREQUENCY (MHz)
43 at RF level of -10 dBm
38
ADC-20-4
RETURN LOSS
IN
OUT
CPL
1000
20
15
0
200
400
600
800
FREQUENCY (MHz)
1000
Electrical Schematic
33
28
23
18
0
200
400
600
800
FREQUENCY (MHz)
1000
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IF/RF MICROWAVE COMPONENTS
REV. D
M119986
ED-6676/2
ADC-20-4
WZ/TD/CP/AM
081111